Commercial & Industrial Equipment Supplier Tools/Equipment. With over 250,000 factory authorized parts in our inventory, your part is already waiting for you. Since 1921 we've solved parts problems. 3.5 million parts in stock: hydraulic, industrial hose assemblies, conveyor & elevator belts, drives, V-belts, sheaves, roller chain, sprockets, gear reducers, shaft couplings, engine components and more.